MARTIN, F. W. Planting dates and morphology and growth of four sweet potato clones in Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 72, n. 3, p. 437–444, 1988. DOI: 10.46429/jaupr.v72i3.6872. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/6872. Acesso em: 26 sep. 2022.